JP4825737B2 - 開眼度判定装置 - Google Patents
開眼度判定装置 Download PDFInfo
- Publication number
- JP4825737B2 JP4825737B2 JP2007162904A JP2007162904A JP4825737B2 JP 4825737 B2 JP4825737 B2 JP 4825737B2 JP 2007162904 A JP2007162904 A JP 2007162904A JP 2007162904 A JP2007162904 A JP 2007162904A JP 4825737 B2 JP4825737 B2 JP 4825737B2
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- Prior art keywords
- eye
- virtual
- upper eyelid
- opening degree
- face image
- Prior art date
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- 210000000744 eyelid Anatomy 0.000 claims description 85
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 11
- 239000011521 glass Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000037303 wrinkles Effects 0.000 description 4
- 230000037007 arousal Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000007781 pre-processing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
Images
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Description
Claims (1)
- 撮像された顔画像に基づいて開眼度を判定する開眼度判定装置において、
少なくとも上瞼の一部分を撮像した上瞼画像に基づいて仮想上瞼曲線を推定する仮想上瞼曲線推定手段と、
瞼開度の異なる複数の前記仮想上瞼曲線同士の交点に基づいて仮想目尻点及び仮想目頭点を推定する目尻目頭推定手段と、
推定された前記仮想目尻点及び前記仮想目頭点を基準位置として開眼度を判定する開眼度判定手段とを備えることを特徴とする開眼度判定装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007162904A JP4825737B2 (ja) | 2007-06-20 | 2007-06-20 | 開眼度判定装置 |
Applications Claiming Priority (1)
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JP2007162904A JP4825737B2 (ja) | 2007-06-20 | 2007-06-20 | 開眼度判定装置 |
Publications (2)
Publication Number | Publication Date |
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JP2009003644A JP2009003644A (ja) | 2009-01-08 |
JP4825737B2 true JP4825737B2 (ja) | 2011-11-30 |
Family
ID=40319977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007162904A Expired - Fee Related JP4825737B2 (ja) | 2007-06-20 | 2007-06-20 | 開眼度判定装置 |
Country Status (1)
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JP (1) | JP4825737B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5221436B2 (ja) * | 2009-04-02 | 2013-06-26 | トヨタ自動車株式会社 | 顔特徴点検出装置及びプログラム |
JP7109649B2 (ja) * | 2019-02-27 | 2022-07-29 | 三菱電機株式会社 | 覚醒度推定装置、自動運転支援装置および覚醒度推定方法 |
SE2250299A1 (en) * | 2022-03-04 | 2023-09-05 | Tobii Ab | Eye openness |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007094906A (ja) * | 2005-09-29 | 2007-04-12 | Toshiba Corp | 特徴点検出装置および方法 |
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2007
- 2007-06-20 JP JP2007162904A patent/JP4825737B2/ja not_active Expired - Fee Related
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JP2009003644A (ja) | 2009-01-08 |
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